Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts.
2021/12/16 13:42:17 fuzzer started
2021/12/16 13:42:17 connecting to host at 10.128.0.169:38589
2021/12/16 13:42:17 checking machine...
2021/12/16 13:42:17 checking revisions...
2021/12/16 13:42:17 testing simple program...
syzkaller login: [   48.796082][ T3605] cgroup: Unknown subsys name 'net'
[   48.900224][ T3605] cgroup: Unknown subsys name 'rlimit'
[   50.198638][ T3608] chnl_net:caif_netlink_parms(): no params data found
[   50.242774][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.250874][ T3608] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.259334][ T3608] device bridge_slave_0 entered promiscuous mode
[   50.269326][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.276673][ T3608] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.285194][ T3608] device bridge_slave_1 entered promiscuous mode
[   50.305637][ T3608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   50.317921][ T3608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   50.340896][ T3608] team0: Port device team_slave_0 added
[   50.348477][ T3608] team0: Port device team_slave_1 added
[   50.366879][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_0
[   50.374061][ T3608] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   50.400332][ T3608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   50.413691][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_1
[   50.420766][ T3608] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   50.447195][ T3608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   50.475606][ T3608] device hsr_slave_0 entered promiscuous mode
[   50.483086][ T3608] device hsr_slave_1 entered promiscuous mode
[   50.576123][ T3608] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   50.587561][ T3608] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   50.596840][ T3608] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   50.606206][ T3608] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   50.627675][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.634923][ T3608] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.642831][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.650101][ T3608] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.706664][ T3608] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.719140][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   50.729331][  T135] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.739003][  T135] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.748549][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   50.767177][ T3608] 8021q: adding VLAN 0 to HW filter on device team0
[   50.778594][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   50.787629][  T135] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.794726][  T135] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.807839][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.817341][  T135] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.824436][  T135] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.844225][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   50.853327][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   50.866072][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   50.877239][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   50.889981][ T3608] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   50.903592][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   50.911919][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   50.932329][ T3608] 8021q: adding VLAN 0 to HW filter on device batadv0
[   50.940538][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   50.948840][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   50.975748][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   50.985673][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   50.994890][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   51.002595][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   51.015920][ T3608] device veth0_vlan entered promiscuous mode
[   51.028404][ T3608] device veth1_vlan entered promiscuous mode
[   51.048185][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   51.056851][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   51.065931][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   51.078387][ T3608] device veth0_macvtap entered promiscuous mode
[   51.088249][ T3608] device veth1_macvtap entered promiscuous mode
[   51.105158][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_0
[   51.112956][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   51.122650][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   51.137043][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_1
[   51.145045][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   51.157253][ T3608] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   51.166386][ T3608] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   51.175485][ T3608] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   51.185294][ T3608] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   51.251269][ T1025] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.267590][ T1025] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.278488][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   51.288255][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.296383][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.305866][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/16 13:42:20 building call list...
[   51.563085][   T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   53.469261][ T3599] can: request_module (can-proto-0) failed.
[   53.492366][ T3599] can: request_module (can-proto-0) failed.
[   53.512868][ T3599] can: request_module (can-proto-0) failed.
[   53.718335][ T3599] ------------[ cut here ]------------
[   53.724265][ T3599] refcount_t: decrement hit 0; leaking memory.
[   53.730656][ T3599] WARNING: CPU: 0 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   53.740277][ T3599] Modules linked in:
[   53.744850][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   53.753194][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.763434][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   53.769524][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[   53.789890][ T3599] RSP: 0018:ffffc90001a7fab0 EFLAGS: 00010286
[   53.796379][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   53.805112][ T3599] RDX: ffff888022fdd700 RSI: ffffffff815f1e28 RDI: fffff5200034ff48
[   53.813152][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   53.821314][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200034ff5b
[   53.829512][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001a7fd10
[   53.838026][ T3599] FS:  000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   53.847129][ T3599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.854967][ T3599] CR2: 00007f99d2782300 CR3: 000000001e0f6000 CR4: 00000000003506f0
[   53.863077][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.872363][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.880502][ T3599] Call Trace:
[   53.884078][ T3599]  <TASK>
[   53.887053][ T3599]  ref_tracker_free+0x4fe/0x610
[   53.892074][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   53.897599][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   53.903091][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   53.908165][ T3599]  ? kfree+0x1e1/0x560
[   53.912346][ T3599]  __sk_destruct+0x4a6/0x920
[   53.917098][ T3599]  sk_destruct+0xbd/0xe0
[   53.921541][ T3599]  __sk_free+0xef/0x3d0
[   53.925923][ T3599]  sk_free+0x78/0xa0
[   53.930005][ T3599]  __mptcp_close_ssk+0x435/0x590
[   53.935009][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   53.940400][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   53.945753][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   53.951072][ T3599]  mptcp_close+0x5f8/0x7f0
[   53.955703][ T3599]  inet_release+0x12e/0x280
[   53.960551][ T3599]  inet6_release+0x4c/0x70
[   53.965088][ T3599]  __sock_release+0xcd/0x280
[   53.969715][ T3599]  sock_close+0x18/0x20
[   53.974009][ T3599]  __fput+0x286/0x9f0
[   53.978100][ T3599]  ? __sock_release+0x280/0x280
[   53.983006][ T3599]  task_work_run+0xdd/0x1a0
[   53.987583][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   53.993445][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   53.998988][ T3599]  do_syscall_64+0x42/0xb0
[   54.003783][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.009703][ T3599] RIP: 0033:0x4b12db
[   54.013666][ T3599] Code: fb ff eb bd e8 46 96 fb ff e9 61 ff ff ff cc e8 fb 61 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   54.034112][ T3599] RSP: 002b:000000c0000d14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.042525][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.050572][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.058941][ T3599] RBP: 000000c0000d1530 R08: 0000000000f0ae01 R09: 00007ffea91ea080
[   54.067199][ T3599] R10: 00007ffea91ea090 R11: 0000000000000206 R12: 000000000000000d
[   54.075273][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000290280
[   54.083277][ T3599]  </TASK>
[   54.086346][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[   54.092931][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   54.101370][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.111415][ T3599] Call Trace:
[   54.114691][ T3599]  <TASK>
[   54.117612][ T3599]  dump_stack_lvl+0xcd/0x134
[   54.122223][ T3599]  panic+0x2b0/0x6dd
[   54.126159][ T3599]  ? __warn_printk+0xf3/0xf3
[   54.130746][ T3599]  ? __warn.cold+0x1a/0x44
[   54.135349][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.140798][ T3599]  __warn.cold+0x35/0x44
[   54.145044][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.150258][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.155891][ T3599]  report_bug+0x1bd/0x210
[   54.160242][ T3599]  handle_bug+0x3c/0x60
[   54.164399][ T3599]  exc_invalid_op+0x14/0x40
[   54.168926][ T3599]  asm_exc_invalid_op+0x12/0x20
[   54.173764][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   54.179824][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[   54.199422][ T3599] RSP: 0018:ffffc90001a7fab0 EFLAGS: 00010286
[   54.205491][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   54.213464][ T3599] RDX: ffff888022fdd700 RSI: ffffffff815f1e28 RDI: fffff5200034ff48
[   54.221536][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   54.229617][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200034ff5b
[   54.237766][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001a7fd10
[   54.245965][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.251180][ T3599]  ? vprintk+0x88/0x90
[   54.255257][ T3599]  ref_tracker_free+0x4fe/0x610
[   54.260161][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   54.265534][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   54.270906][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   54.275779][ T3599]  ? kfree+0x1e1/0x560
[   54.279880][ T3599]  __sk_destruct+0x4a6/0x920
[   54.284491][ T3599]  sk_destruct+0xbd/0xe0
[   54.288913][ T3599]  __sk_free+0xef/0x3d0
[   54.293070][ T3599]  sk_free+0x78/0xa0
[   54.297013][ T3599]  __mptcp_close_ssk+0x435/0x590
[   54.301953][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   54.307376][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   54.312487][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   54.317797][ T3599]  mptcp_close+0x5f8/0x7f0
[   54.322330][ T3599]  inet_release+0x12e/0x280
[   54.326857][ T3599]  inet6_release+0x4c/0x70
[   54.331304][ T3599]  __sock_release+0xcd/0x280
[   54.336006][ T3599]  sock_close+0x18/0x20
[   54.340180][ T3599]  __fput+0x286/0x9f0
[   54.344190][ T3599]  ? __sock_release+0x280/0x280
[   54.349134][ T3599]  task_work_run+0xdd/0x1a0
[   54.353643][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   54.359366][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   54.364828][ T3599]  do_syscall_64+0x42/0xb0
[   54.369263][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.375271][ T3599] RIP: 0033:0x4b12db
[   54.379173][ T3599] Code: fb ff eb bd e8 46 96 fb ff e9 61 ff ff ff cc e8 fb 61 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   54.398882][ T3599] RSP: 002b:000000c0000d14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.407305][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.415276][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.423442][ T3599] RBP: 000000c0000d1530 R08: 0000000000f0ae01 R09: 00007ffea91ea080
[   54.431588][ T3599] R10: 00007ffea91ea090 R11: 0000000000000206 R12: 000000000000000d
[   54.439553][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000290280
[   54.447621][ T3599]  </TASK>
[   54.451083][ T3599] Kernel Offset: disabled
[   54.455501][ T3599] Rebooting in 86400 seconds..